Chord. A noise wave at 528 Hz, originating from Subway Tunnel. Recorded in a membrane environment, era: 1950s. One of 5555 echoes — sounds no one thought to save.
Name
ECHO #4326 — Chord
ID#4326
Rarity
HI:21%
Frequency
528 Hz
X-HI:6%
Wave Type
Noise
X-HI:6%
Resonance
Soft
X-HI:8%
Era
1950s
X-HI:5%
Origin
Subway Tunnel